[PULL] drm-xe-fixes

Pull-request

https://gitlab.freedesktop.org/drm/xe/kernel.git tags/drm-xe-fixes-2024-10-03

Message

Lucas De Marchi Oct. 3, 2024, 2:15 p.m. UTC

Hi Dave and Simona,

drm-xe-fixes for 6.12-rc2. A few fixes, particularly on error paths and
corner cases. We have more than usual as I decided to skip last week
pull request. Some tuning for Xe2 were missing and also got updated to
match the spec.

Thanks
Lucas De Marchi

drm-xe-fixes-2024-10-03:
Driver Changes:
- Restore pci state on resume (Rodrigo Vivi)
- Fix locking on submission, queue and vm (Matthew Auld, Matthew Brost)
- Fix UAF on queue destruction (Matthew Auld)
- Fix resource release on freq init error path (He Lugang)
- Use rw_semaphore to reduce contention on ASID->VM lookup (Matthew Brost)
- Fix steering for media on Xe2_HPM (Gustavo Sousa)
- Tuning updates to Xe2 (Gustavo Sousa)
- Resume TDR after GT reset to prevent jobs running forever (Matthew Brost)
- Move id allocation to avoid userspace using a guessed number
   to trigger UAF (Matthew Auld, Matthew Brost)
- Fix OA stream close preventing pbatch buffers to complete (José)
- Fix NPD when migrating memory on LNL (Zhanjun Dong)
- Fix memory leak when aborting binds (Matthew Brost)
The following changes since commit 9852d85ec9d492ebef56dc5f229416c925758edc:

   Linux 6.12-rc1 (2024-09-29 15:06:19 -0700)

are available in the Git repository at:

   https://gitlab.freedesktop.org/drm/xe/kernel.git tags/drm-xe-fixes-2024-10-03

for you to fetch changes up to a6f3b2527375c786f2eff77d3ee8b805bcfe026d:

   drm/xe: Fix memory leak when aborting binds (2024-10-03 01:24:54 -0500)

----------------------------------------------------------------
Driver Changes:
- Restore pci state on resume (Rodrigo Vivi)
- Fix locking on submission, queue and vm (Matthew Auld, Matthew Brost)
- Fix UAF on queue destruction (Matthew Auld)
- Fix resource release on freq init error path (He Lugang)
- Use rw_semaphore to reduce contention on ASID->VM lookup (Matthew Brost)
- Fix steering for media on Xe2_HPM (Gustavo Sousa)
- Tuning updates to Xe2 (Gustavo Sousa)
- Resume TDR after GT reset to prevent jobs running forever (Matthew Brost)
- Move id allocation to avoid userspace using a guessed number
   to trigger UAF (Matthew Auld, Matthew Brost)
- Fix OA stream close preventing pbatch buffers to complete (José)
- Fix NPD when migrating memory on LNL (Zhanjun Dong)
- Fix memory leak when aborting binds (Matthew Brost)

----------------------------------------------------------------
Gustavo Sousa (3):
       drm/xe/mcr: Use Xe2_LPM steering tables for Xe2_HPM
       drm/xe/xe2: Extend performance tuning to media GT
       drm/xe/xe2: Add performance tuning for L3 cache flushing

He Lugang (1):
       drm/xe: use devm_add_action_or_reset() helper

José Roberto de Souza (1):
       drm/xe/oa: Don't reset OAC_CONTEXT_ENABLE on OA stream close

Matthew Auld (4):
       drm/xe/guc_submit: add missing locking in wedged_fini
       drm/xe: fix UAF around queue destruction
       drm/xe/vm: move xa_alloc to prevent UAF
       drm/xe/queue: move xa_alloc to prevent UAF

Matthew Brost (5):
       drm/xe: Convert to USM lock to rwsem
       drm/xe: Use helper for ASID -> VM in GPU faults and access counters
       drm/xe: Resume TDR after GT reset
       drm/xe: Clean up VM / exec queue file lock usage.
       drm/xe: Fix memory leak when aborting binds

Rodrigo Vivi (1):
       drm/xe: Restore pci state upon resume

Zhanjun Dong (1):
       drm/xe: Prevent null pointer access in xe_migrate_copy

  drivers/gpu/drm/xe/regs/xe_gt_regs.h  | 11 ++++++++++
  drivers/gpu/drm/xe/xe_bo.c            |  4 ++--
  drivers/gpu/drm/xe/xe_device.c        | 12 +++++------
  drivers/gpu/drm/xe/xe_device_types.h  | 19 +++++++++++++----
  drivers/gpu/drm/xe/xe_drm_client.c    |  9 +++++++-
  drivers/gpu/drm/xe/xe_exec_queue.c    |  6 +++---
  drivers/gpu/drm/xe/xe_gpu_scheduler.c |  5 +++++
  drivers/gpu/drm/xe/xe_gpu_scheduler.h |  2 ++
  drivers/gpu/drm/xe/xe_gt_freq.c       |  4 ++--
  drivers/gpu/drm/xe/xe_gt_mcr.c        |  2 +-
  drivers/gpu/drm/xe/xe_gt_pagefault.c  | 39 +++++++++++++++++++----------------
  drivers/gpu/drm/xe/xe_gt_sysfs.c      |  2 +-
  drivers/gpu/drm/xe/xe_guc_submit.c    | 37 ++++++++++++++++++++++++++++++---
  drivers/gpu/drm/xe/xe_guc_types.h     |  2 ++
  drivers/gpu/drm/xe/xe_oa.c            |  9 +++-----
  drivers/gpu/drm/xe/xe_pci.c           |  2 ++
  drivers/gpu/drm/xe/xe_pt.c            |  2 +-
  drivers/gpu/drm/xe/xe_tuning.c        | 28 +++++++++++++++++++++++++
  drivers/gpu/drm/xe/xe_vm.c            | 28 +++++++++++--------------
  19 files changed, 159 insertions(+), 64 deletions(-)